Cephalopoda - Ammonitida - Hildoceratidae
Alternative combinations: Ammonites exaratus, Cleviceras exaratum, Harpoceras exaratum
Synonyms: Ammonites erratus Simpson 1855, Ammonites multifoliatus Simpson 1855, Monestieria errata Simpson 1855
Belongs to Eleganticeras according to M. Benzaggagh et al. 2022
See also Bécaud 2006, Howarth 1962 and Howarth 1992
Sister taxa: Eleganticeras elegans, Eleganticeras elegantulum
Ecology: fast-moving nektonic carnivore
Average measurements (in mm): diameter 82.3, shell diameter 147.0
Distribution:
• Jurassic of Bulgaria (1 collection), Canada (59: Alberta, British Columbia, Yukon), France (2), Germany (6), Morocco (4), Spain (7), Tunisia (1), the United Kingdom (15), United States (3: Alaska, Nevada)
Total: 98 collections including 100 occurrences
Specimen images are retrieved through the ePANDDA API.
Click image to enlarge. Click to access iDigBio record.